Deadly Poison

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Deadly Poison
Ability rogue dualweild.png
  • Deadly Poison
  • Level 10 Assassination rogue ability
  • 3 sec cast
  • Requires One-Handed Melee Weapon
  • Coats your weapons with a Lethal Poison that lasts for 1 hour. Each strike has a 30% chance to poison the enemy for (145% of attack power) Nature damage over 12 sec. Subsequent poison applications will instantly deal (23% of attack power) Nature damage.
Usable by





None/Global Cooldown

Other information
Level learned


Related buff
Ability rogue dualweild.png
  • Weapon
  • Deadly Poison
  • Each strike has a chance of causing the target to suffer Nature damage every 3 sec for 12 sec. Subsequent poison applications deal instant Nature damage.
  • Duration: 1 hour
Related debuff
Ability rogue dualweild.png
  • Poison
  • Deadly Poison
  • Suffering (36.25% of attack power) Nature damage every 3 seconds.
  • Duration: 12 seconds
In the TCG.

Deadly Poison is a level 10 Assassination rogue ability that applies a poison to their weapons.

Every time the rogue hits with their weapons, there is a 30% chance of the victim being poisoned for 12 seconds. The poison will deal damage over time.
50% application chance with [Improved Poisons].


Because Deadly Poison deals damage over time, it prevents rogues afflicted with it from stealthing and prevents all players from bandaging for more than a second. However, its continuing damage causes many forms of crowd control to break.

Tips and tactics

  • Worthy to note is that Deadly Poison on the target causes damage that breaks other rogues' [Gouge] and [Blind], important tools for crowed control.


  • Deadly Poison is a basic Rogue spell in Hearthstone. The flavor text reads: "Rogues guard the secrets to poison-making carefully, lest magi start incorporating poison into their spells. Poisonbolt? Rain of Poison? Poison Elemental? Nobody wants that."

Patches and hotfixes

  • Legion Hotfix (2017-02-03): "Damage increased by 4%."
  • Legion Hotfix (2016-09-23): "Deadly Poison damage increased by 30%."
  • Legion Hotfix (2016-08-22): "Deadly Poison instant damage has been increased to 17% Attack Power (was 14.2%)."
  • Legion Patch 7.0.3 (2016-07-19): Now available only to Assassination.
  • Warlords of Draenor Patch 6.0.2 (2014-10-14): Combat Rogues learns [Swift Poison] at level 92, replacing Deadly Poison with [Instant Poison].
  • Mists of Pandaria Patch 5.0.4 (2012-08-28): Replaced  [Deadly Poison]. No longer stacks. The effect of  [Instant Poison] has been built into this poison.
  • Cataclysm Patch 4.0.3a (2010-11-23): Base damage and attack power coefficient have been increased by 30%.
  • WoW Icon update.png Patch 1.11.0 (2006-06-20): Stacks up to 20.
  • PTR client.png Patch 0.7 (2004-06-15): Damage slightly increased. Cost reduced.

See also

External links